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1、摘要本设计为Ⅲ区一级公路，公路路线途经平原重丘区，本着安全、经济、实用、美观的原则，对该路段进行施工图设计。Ⅲ区一级公路施工图设计是在所在地区的地形、地质、气候的影响下，按照设计规范进行的。本次设计的内容有：平面线设计、纵断面设计、横断面设计。平面线设计包括纸上选线、定线，圆曲线、缓和曲线参数设定，直线设计等；纵断面设计包括拉坡、竖曲线设计等，超高的设定一满足了设计要求的8%之内，在竖曲线设计时，应注意行车视距和视线诱导问题即满足“平包纵”，合成坡度也要满足规范要求；横断面设计时，使行车更加舒适，为确保道路的使用年限，在路段上还做了防护和
2、排水设计。排水设计包括路基排水和路面排水，路面设计又有边沟设计和截水沟设计和路拱排水。施工图是工程的重要组成部分，可以使道路的实用性和经济性得到更好的保证，同时，也要求道路的美观性和实用性、经济性相结合。关键词：施工图；路基设计；平面；横断面；纵断面IAbstractWorkingproperlytohopefirstclasshighwayistoworkproperlytheeconomicdevelopmentofhopetheregiontoriseverybigfunction.Thisroutegoesbywayofthehe
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